Article ID Journal Published Year Pages File Type
5630139 Journal of Neuroimmunology 2017 9 Pages PDF
Abstract

•We examined the relationship between inflammatory biomarkers and neurodevelopment.•High levels of IL-6 predict internalizing, externalizing, and total problems.•High levels of IL-1β predict worse motor skills performance.

Few studies have investigated the relationship between post-natal inflammatory biomarkers at early age and child neurodevelopment outcomes. The main aim of this study was to examine the relationship between IL-6, IL-1β, IL-4 cytokines, as well as cortisol at 6 and 12 months of age, and neurodevelopment and psychological problems at 30 months of age.The study was conducted on a sample of 51 full-term newborns who were followed up at 6, 12, and 30 months of age. Infant neurodevelopment was assessed using the Bayley Scales of Infant Development-II, psychological problems were assessed with the Child Behavior Checklist 1.5-5 (CBCL 1.5-5) and the mother's emotional symptoms were assessed with the General Health Questionnaire-28. When the infants were 6 and 12 months old, IL-6, IL-1β, IL-4 cytokines, and cortisol were measured in blood samples. The results showed that higher IL-6 at 12 months predicted higher scores in internalizing (emotionally reactive, anxious/depressed, withdrawn and attention problems) and externalizing problems (aggressive behavior) at 30 months. By contrast, high levels of IL-1β at 6 months were related to worse motor skills. Inflammatory biomarkers were not related to mental performance. IL-6 and IL-1β could be early markers of later psychological problems and psychomotor disabilities.

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